https://audio302.com/wp-content/plugins/zbplayer/js/zbPlayerFlash.js?ver=7.1.2

1window.onload = function() {
2  if (!isZbPlayerFlashEnabled()) {
3    // replace current player code with standard audio
4    var elements = document.getElementsByClassName("zbPlayerNative");
5    var index;
6    for (index = 0; index < elements.length; ++index) {
7        elements[index].style.display = "inline";
8    }
9    // hide current flash player
10    var flash = document.getElementsByClassName('zbPlayerFlash');
11    for (index = 0; index < flash.length; ++index) {
12        flash[index].style.display = "none";
13    }
14  }
15};
16
17function isZbPlayerFlashEnabled() {
18  var hasFlash = false;
19  try {
20    var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
21    if(fo) hasFlash = true;
22  } catch(e) {
23    if(navigator.mimeTypes ["application/x-shockwave-flash"] != undefined) hasFlash = true;
24  }
25  return hasFlash;
26}